A legal AI startup just raised $550 million at a $5.6 billion valuation, celebrating with an extravagant party at London's Royal Opera House. The funding round marks one of the largest investments in the legal technology space this year, signaling strong investor confidence in AI-powered legal services despite broader market volatility.

The milestone appears to represent a turning point for the industry. While "legal AI" once referred to document review and research tools, the emergence of "agentic law" suggests a new paradigm where AI systems take autonomous action rather than simply assisting human lawyers. This shift could fundamentally change how legal work gets done.

The celebration's opulence underscores how far the sector has come from its startup roots. With venture capital flowing in at record levels, the legal tech space is no longer niche—it's becoming a major battleground for technology investment.